| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
301  | Kvitvatnet  Kvitvand,Kvitvatnet | Norway, Nordland Sørfold | lake | N 67° 19′ 46'' | E 16° 6′ 23'' |
| 302 | Kviteseidvatnet Kviteseidvatn,Kvitseidvatnet,Lake Kviteseid | Norway, Telemark Kviteseid | lake | N 59° 21′ 8'' | E 8° 34′ 8'' |
| 303 | Kvifjorden Kvifjorden | Norway, Agder Sirdal | lake | N 58° 50′ 49'' | E 7° 4′ 39'' |
| 304 | Kvesjøen Kvesjo,Kvesjoen,Kvesjø,Kvesjøen | Norway, Trøndelag Lierne | lake | N 64° 29′ 44'' | E 13° 48′ 49'' |
| 305 | Kvennsjøen Kvennsjoen,Kvennsjøen | Norway, Vestland Ullensvang | lake | N 60° 3′ 52'' | E 7° 11′ 33'' |
| 306 | Kongevollvatnet Kongevollvannet,Kongevollvatnet,Kumlevoldvand,Kumlevollvatnet | Norway, Agder Flekkefjord | lake | N 58° 21′ 36'' | E 6° 50′ 2'' |
| 307 | Kulivatnet | Norway, Agder Sirdal | lake | N 58° 44′ 33'' | E 6° 37′ 0'' |
| 308 | Krutvatnet Krutvatn,Krutvatnet,Kruvhtegenjaevrie | Norway, Nordland Hattfjelldal | lake | N 65° 41′ 51'' | E 14° 23′ 5'' |
| 309 | Krøderen Kroderen,Kroderfjorden,Krøderen,Krøderfjorden | Norway, Buskerud Krødsherad | lake | N 60° 15′ 0'' | E 9° 38′ 0'' |
| 310 | Kråkvatnet Kraak Lake,Kraak Vand,Krakevann,Krakvatn,Kråkevann,Kråkvatn,Kvakvann,Kvåkvann | Norway, Trøndelag Oppdal | lake | N 62° 36′ 14'' | E 9° 7′ 44'' |
| 311 | Kottengsvatnet Kotengs Lake,Kotengs Vand,Kotengsvatn,Kotengsvatnet,Kottenget,Kottengsvatnet,Rotengsvannet | Norway, Trøndelag Ørland | lake | N 63° 46′ 29'' | E 9° 45′ 14'' |
| 312 | Kopparvatnet Gruonasjavri,Gruonasjávri,Kobbervand,Kopparvatnet,Kroenesjaevrie | Norway, Nordland Rana | lake | N 66° 22′ 20'' | E 14° 55′ 54'' |
| 313 | Kolsvatnet Kol Vatn,Kollsvatnet | Norway, Agder Valle | lake | N 59° 9′ 38'' | E 7° 17′ 41'' |
| 314 | Buletjávri Buletjavri,Buletjávri,Koievatn,Koievatnet | Norway, Troms Bardu | lake | N 68° 41′ 29'' | E 18° 57′ 24'' |
| 315 | Kobbvatnet Gapjavrre,Gåpjávrre,Kobbvatnet,Njuorjojavri,Njuorjojávri | Norway, Nordland Sørfold | lake | N 67° 37′ 18'' | E 15° 58′ 10'' |
| 316 | Kjerringvatnet Ahkajavri stuorra,Kjerringvand,Kjerringvatnet,Stoere Aahkajaevrie,Áhkajávri stuorra | Norway, Nordland Rana | lake | N 66° 25′ 11'' | E 15° 0′ 14'' |
| 317 | Aahkanjaevrie Aahkanjaevrie,Kjerringvandet,Kjerringvatnet | Norway, Nordland Hattfjelldal | lake | N 65° 44′ 51'' | E 13° 51′ 22'' |
| 318 | Guevtelesjaevrie Guevtelesjaevrie,Kjerringvatn,Storkjerring Vand,Storkjerringtjonna,Storkjerringtjønna,Storkjerringva... | Norway, Trøndelag Meråker | lake | N 63° 24′ 21'' | E 12° 5′ 19'' |
| 319 | Giebbnejávrre Giebbnejavrre,Giebbnejávrre,Giebdnijavri,Kjemaavatnet,Kjemagvatnet,Kjemavatnet,Kjemågvatnet,Kjemåvat... | Norway, Nordland Saltdal | lake | N 66° 44′ 48'' | E 15° 24′ 8'' |
| 320 | Kjelvatnet Kjelvatn,Kjelvatnet | Norway, Nordland Narvik | lake | N 68° 11′ 14'' | E 17° 10′ 35'' |
| 321 | Tjårdavatnet Coadgejavri,Coaggejavri,Kjaardavatnet,Kjardavatnet,Kjårdavatnet,Tjardavatnet,Tjårdavatnet,Čoadgejávr... | Norway, Nordland Narvik | lake | N 68° 6′ 41'' | E 17° 21′ 48'' |
| 322 | Kjåppån Kjaappaan,Kjappan,Kjappanvatnet,Kjappavatnet,Kjåppanvatnet,Kjåppån,Kjåppåvatnet,Tjuahpa | Norway, Trøndelag Steinkjer | lake | N 64° 0′ 37'' | E 10° 59′ 4'' |
| 323 | Kilvatnet Kilvand,Kilvatnet,Rahpukjavrre,Ráhpukjávrre | Norway, Nordland | lake | N 68° 7′ 45'' | E 16° 1′ 10'' |
| 324 | Kilefjorden Kilefjord,Kilefjorden | Norway, Agder Vennesla | lake | N 58° 25′ 23'' | E 7° 47′ 52'' |
| 325 | Katnosa Katnos Vatn,Katnosa,Kattnosa | Norway, Buskerud Ringerike | lake | N 60° 9′ 9'' | E 10° 33′ 59'' |
| 326 | Kalvvatnet Gaejsienjaevrie,Kalvvand,Kalvvatnet | Norway, Nordland | lake | N 65° 3′ 33'' | E 12° 57′ 38'' |
| 327 | Kalhovdfjorden Kaldhovdfjord,Kalhovdfjorden | Norway, Telemark Tinn | lake | N 60° 4′ 5'' | E 8° 18′ 46'' |
| 328 | Kaldvågvatnet Kaldvaagvandet,Kaldvagvatnet,Kaldvågvatnet | Norway, Nordland Hamarøy | lake | N 68° 4′ 5'' | E 15° 49′ 44'' |
| 329 | Kalandsvatnet Kalandsvatn,Kalandsvatnet | Norway, Vestland Bergen | lake | N 60° 16′ 19'' | E 5° 23′ 55'' |
| 330 | Juvatn Gjuvvatnet,Juvatn | Norway, Agder Åseral | lake | N 58° 49′ 21'' | E 7° 31′ 4'' |
| 331 | Juklavatnet Juklavatn,Juklavatnet | Norway, Vestland Ullensvang | lake | N 60° 12′ 49'' | E 6° 22′ 42'' |
| 332 | Skilvatnet Skillvatn,Skilvand,Skilvann,Skilvatnet | Norway, Nordland Hamarøy | lake | N 68° 3′ 50'' | E 15° 53′ 43'' |
| 333 | Skaupsjøen Skaupsjoen,Skaupsjøen | Norway, Buskerud Nore og Uvdal | lake | N 60° 20′ 48'' | E 7° 41′ 34'' |
| 334 | Skasen Skasen | Norway, Innlandet Kongsvinger | lake | N 60° 23′ 11'' | E 12° 19′ 21'' |
| 335 | Skarvatnet Skar Lake,Skardvatn,Skardvatnet,Skarvann,Skarvatnet | Norway, Trøndelag Oppdal | lake | N 62° 41′ 38'' | E 9° 32′ 57'' |
| 336 | Sisovatnet Siidasjavrre,Siiddasjavri,Siiddasjávri,Sijdasjavrre,Sijdasjávrre,Sisovand,Sisovatn,Sisovatnet,Sisvan... | Norway, Nordland Sørfold | lake | N 67° 20′ 12'' | E 15° 51′ 31'' |
| 337 | Sierggaljávri Cirkelvand,Siergaljavri,Sierggaljavri,Sierggaljávri,Sirkelvatnet | Norway, Nordland Narvik | lake | N 68° 29′ 55'' | E 17° 46′ 46'' |
| 338 | Sirdalsvatnet Sirdalsvannet,Sirdalsvatnet | Norway, Agder Sirdal | lake | N 58° 34′ 5'' | E 6° 42′ 7'' |
| 339 | Sijdurrienjaevrie Sijdurrienjaevrie,Simskardvatnet,Simskarvand | Norway, Nordland Hattfjelldal | lake | N 65° 16′ 59'' | E 13° 48′ 51'' |
| 340 | Inner-Sildvikvatnet Inner-Sildvikvatnet,Ruoidnajavri,Ruoidnajávri,Sildvikvand,Sildvikvatnet,Sildvikvatnet in | Norway, Nordland Narvik | lake | N 68° 21′ 55'' | E 17° 51′ 48'' |
| 341 | Sildhopvatnet Sildavuohppejavri,Sildavuohppejávri,Sildhopvatnet,Silldavuopjavrre,Silldavuopjávrre | Norway, Nordland Sørfold | lake | N 67° 41′ 58'' | E 15° 54′ 5'' |
| 342 | Siksjøen Siksjoen,Siksjøen | Norway, Innlandet Os | lake | N 62° 19′ 38'' | E 11° 37′ 30'' |
| 343 | Setten Setten | Norway, Akershus Aurskog-Høland | lake | N 59° 49′ 50'' | E 11° 40′ 40'' |
| 344 | Semsvatnet Semsvand,Semsvannet,Semsvatnet | Norway, Akershus Asker | lake elevation 145m | N 59° 51′ 29'' | E 10° 25′ 0'' |
| 345 | Selura Holt,Saellavand,Saelurvand,Saelurvann,Selura,Selurvatn,Sællavand,Sælurvand,Sælurvann | Norway, Agder Flekkefjord | lake | N 58° 18′ 30'' | E 6° 42′ 13'' |
| 346 | Seljordsvatnet Seljordsvatn | Norway, Telemark Seljord | lake | N 59° 27′ 12'' | E 8° 42′ 37'' |
| 347 | Selbusjøen Selbusjo,Selbusjoen,Selbusjö,Selbusjøen | Norway, Trøndelag Selbu | lake | N 63° 13′ 52'' | E 10° 56′ 54'' |
| 348 | Selavatnet Sela Lake,Sela Vand,Selavatn,Selavatnet,Silavannet,Sillejaevrie | Norway, Trøndelag Steinkjer | lake | N 63° 59′ 27'' | E 10° 50′ 29'' |
| 349 | Savalen Savalen | Norway, Innlandet Alvdal | lake | N 62° 14′ 38'' | E 10° 27′ 45'' |
| 350 | Sausvatnet Saus Vand,Sausvatnet | Norway, Nordland Brønnøy | lake | N 65° 20′ 42'' | E 12° 39′ 27'' |
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